Demostra: Learn by Speaking

LiveBerkay Arda Yıldız3 apps · 150 installsEducationFreecom.demostra.app

You read it, you got it. Now close the book and say it out loud.

Alert me★ WatchOpen in Play ↗
Total installs
1
exact · Play shows 1+
Installs / day
0
7-day avg · last day 0
Rating
—★
— ratings · — reviews
Released
9 Sept 2026
1mo ago
Last update
25 Sept 2026
v1.0.1 · 19d ago
Countries
—
not checked yet

Installs per day

gain of the exact counter

No change in the counterOur first day-to-day reading of the counter. The line starts with the next one.

Daily tracking since 11 Oct 2026 · history grows every day

Install history

exact counter from Google Play
01211 Oct12 Oct
0123459 Sept11 Oct12 Oct

Dashed: estimate from the release date (no daily data before 11 Oct 2026) · time axis compressed before that day

Daily tracking since 11 Oct 2026 · history grows every day

Change timeline

Full history

No changes recorded yet. We compare every crawl with the previous one and list title, icon, screenshots, description, version, price and availability changes here.

Country availability

Availability has not been checked for this app yet. “Check all countries” looks the app up in about 140 Google Play storefronts and shows where it is live, listed but not installable, or missing — plus any country-specific (custom) store listings.

Top countries

Country data will be available soon.

We estimate where downloads come from using the app’s position in Google Play’s top charts in about 140 countries. This app is not in any chart we have collected yet; the estimate appears as soon as it is.

Top chart positions

Not in any tracked top chart.

App manifest

Read this app's manifest from Google Play: permissions, declared SDKs, components and AdMob app ID. Saved analysis appears here automatically.

Manifest analysis reads only the required APK ranges. Base APK downloads may need separate device splits to install.

Data safety

declared by the developer on Google Play
  • Shares data with third parties Device or other IDs
  • Collects data Personal info and Device or other IDs
  • Data is encrypted in transit
  • You can ask for your data to be deleted

This is the developer's own declaration, summarised from the Play listing. The permissions below show what the app is technically able to access.

Permissions

15 in 5 groups
6 Sensitive3 Notable6 Routine

What this app can do with your phone

  • Record sound using your phone's microphone
  • Read photos, videos, and other files saved in your phone's shared storage
  • Add, change or delete photos, videos and other files in your phone's storage
  • Show its own windows or bubbles on top of other apps you are using
Photos/Media/FilesSensitive2

Access to photos, videos, music and other files stored on your device

  • Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage · READ_EXTERNAL_STORAGE
  • Add, change or delete photos, videos and other files in your phone's storagemodify or delete the contents of your USB storage · WRITE_EXTERNAL_STORAGE
StorageSensitive2

Access to files, photos and media saved on your phone's storage

  • Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage · READ_EXTERNAL_STORAGE
  • Add, change or delete photos, videos and other files in your phone's storagemodify or delete the contents of your USB storage · WRITE_EXTERNAL_STORAGE
MicrophoneSensitive1

Access to your phone's microphone to record sound

  • Record sound using your phone's microphonerecord audio · RECORD_AUDIO
Wi-Fi connection informationRoutine1

Access to details about Wi-Fi networks your device sees or uses

  • See whether Wi-Fi is on and details of the network you are connected toview Wi-Fi connections · ACCESS_WIFI_STATE
OtherSensitive9

Access to miscellaneous device features that don't fit other categories

  • Show its own windows or bubbles on top of other apps you are usingdraw over other apps · SYSTEM_ALERT_WINDOW
  • Change volume and choose which speaker or headset plays soundchange your audio settings · MODIFY_AUDIO_SETTINGS
  • Start itself automatically as soon as your phone finishes turning onrun at startup · RECEIVE_BOOT_COMPLETED
  • Keep your phone's processor or screen from going to sleep, which can use more batteryprevent device from sleeping · WAKE_LOCK
  • Check whether you are online and whether you use Wi-Fi or mobile dataview network connections · ACCESS_NETWORK_STATE
  • Connect to the internet to load content and send datafull network access · INTERNET
  • Make your phone vibratecontrol vibration · VIBRATE
  • Check with Google Play that you got this app legitimatelyGoogle Play license check · com.android.vending.CHECK_LICENSE
  • Receive push messages sent from the app's servers over the internetreceive data from Internet · com.google.android.c2dm.permission.RECEIVE

Sensitive = can reach personal data, location, camera/mic or act on your behalf. Notable = changes how your device behaves. Routine = normal for almost every app. Source: Google Play's permission list for all versions of this app.

Store listing

Full description
Reading a topic makes you feel like you understand it. Explaining it out loud is where the gaps show up. That is exactly what Demostra measures. You explain a topic aloud, and the app marks it proven, blurry or repeat based on what you actually said. Not a score, the gap: it names what you left out. HOW IT WORKS 1. Add your goal and its topics. An exam, an interview, or your own learning plan. 2. Pick a topic and explain it out loud. Forty seconds is enough. 3. What you said gets evaluated: which point you made, which one you skipped. WHAT YOU GET A readiness board. Every topic as it really is, on one screen: proven, blurry, repeat. There is no "you are 85% ready" number, because we do not know such a number. A reinforcement queue. Topics you explained well come back at long intervals; shaky ones return early. Not every note comes back, only the ones worth revisiting. A study timer. Start it with a label, stop it, keep the record. Forgot to start it? You can state the time afterwards, and that record is marked as self-reported and stays out of shared rankings. A friend streak. On days you both show up, the streak grows together. It does not measure who studied more, it measures your own line. Patterns. Which hours you explain better, and which topics fade as time passes over them. YOUR VOICE STAYS ON YOUR DEVICE Your speech is transcribed on your device. No audio is sent to a server or stored. The evaluation runs on the transcribed text. You can download your data at any time and delete your account from inside the app. WHO IT IS FOR Students preparing for exams, candidates preparing for interviews, and anyone who wants what they read to actually stick. Demostra is for ages 16 and over. WHAT IT IS NOT Not a question bank, not a set of solved tests, not an app that teaches you the subject. It does not explain topics to you; it listens to you explain and shows you where you fell short. Support: [email protected]

What's new

What's new: - Sharper exam goals: pick your exam, answer one question, get a real topic map. - Peer support: volunteer to explain topics you've proven. - Set your target date on a calendar. - Search and filters for long syllabi. - Bug fixes and small improvements.

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